Can you show a picture of the bite? If you do not know how to upload a picture, you can find the tutorial here: https://qa.healthtopquestions.com/86458/how-do-i-take-a-picture-for-you. if you were bite by spider, Treatment for it usually includes the following steps:
Clean the bite with mild soap and water. Apply an antibiotic ointment to help prevent infection.
Apply a cool damp cloth to the bite. This helps reduce pain and swelling.
If the bite is on an arm or leg, elevate it.
Take an over-the-counter pain reliever as needed.
Observe the bite for signs of infection.